July weather forecast
Polonnaruwa, Sri Lanka

July, like June, boasts a relatively dry climate in Polonnaruwa, with slightly higher rainfall. The weather trends observed are similar to those in June, with marginal fluctuations in temperature and slightly greater averages in other parameters. Mildly warm days continue into August, maintaining a consistently dry and sunny climate.

Temperature

The transition into July notes an average high-temperature of a still hot 33.5°C (92.3°F), revealing a mild distinction from the 33.6°C (92.5°F) in June. The month of July records an average low-temperature of 24.5°C (76.1°F) in Polonnaruwa, Sri Lanka.

Heat index

In July, the heat index is computed to be a blistering 44°C (111.2°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
Understanding the heat index involves considering values for shaded locales with light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

June through September, with an average relative humidity of 67%, are the least humid months in Polonnaruwa.

Rainfall

In Polonnaruwa, in July, it is raining for 10.3 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 196.8 rainfall days, and 943mm (37.13") of precipitation is accumulated.

Daylight

The average length of the day in July is 12h and 32min.
On the first day of the month, sunrise is at 05:52 and sunset at 18:27. On the last day of July, sunrise is at 05:58 and sunset at 18:26 +0530.

Sunshine

In Polonnaruwa, the average sunshine in July is 11.2h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the UV index of 7 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.